A Patient Who Has Limited Exercise Tolerance Is Scheduled for a Thallium

question 77

Multiple Choice

A patient who has limited exercise tolerance is scheduled for a thallium scan with dipyridamole.Which clinical parameter should a nurse identify as a possible contraindication for this procedure?

• A)Blood pressure ranges from 136/90 mm Hg to 162/96 mm Hg
• B)History of asthma
• C)Myocardial infarction 1 month ago
• D)Serum potassium is 4.5 mEq/L and patient receives potassium supplement daily

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